I can want it for the rest of my life and thatś how long I´ll be waiting. 

Depending on the type of "group home" (drug/alcohol rehab, handicapped, mental illness, elderly, etc.) you have other laws to make sure you comply with, and great point by David D Painter re insurance.

Some aren't even mentally ill. they are just used to living like that.

Ill be there on 4/20.

Great, thanks, Ill save your contact info. 

Ill send you a connection request! 

One of the tenants appears mentally ill and another has anger issues.   

Replicating my experience with “sewer gas” could be a stretch BUT 10 years ago in my apartment building there was a mentally ill person who alway smelled sewer gas when no one else could smell it.

In the same line of thinking, when you go to a doctor your first question should be how much do you charge, NOT, can you fix my illness.

When he returned home in December he became ill and after several weeks in the hospital, passed away on January 30, 2022.